xref: /openbmc/u-boot/arch/arm/include/asm/omap_mmc.h (revision ec35e123)
1 /*
2  * (C) Copyright 2008
3  * Texas Instruments, <www.ti.com>
4  * Syed Mohammed Khasim <khasim@ti.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation's version 2 of
12  * the License.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #ifndef OMAP_MMC_H_
26 #define OMAP_MMC_H_
27 
28 struct hsmmc {
29 #ifdef CONFIG_DM_MMC
30 	unsigned char res0[0x100];
31 #endif
32 	unsigned char res1[0x10];
33 	unsigned int sysconfig;		/* 0x10 */
34 	unsigned int sysstatus;		/* 0x14 */
35 	unsigned char res2[0x14];
36 	unsigned int con;		/* 0x2C */
37 	unsigned char res3[0xD4];
38 	unsigned int blk;		/* 0x104 */
39 	unsigned int arg;		/* 0x108 */
40 	unsigned int cmd;		/* 0x10C */
41 	unsigned int rsp10;		/* 0x110 */
42 	unsigned int rsp32;		/* 0x114 */
43 	unsigned int rsp54;		/* 0x118 */
44 	unsigned int rsp76;		/* 0x11C */
45 	unsigned int data;		/* 0x120 */
46 	unsigned int pstate;		/* 0x124 */
47 	unsigned int hctl;		/* 0x128 */
48 	unsigned int sysctl;		/* 0x12C */
49 	unsigned int stat;		/* 0x130 */
50 	unsigned int ie;		/* 0x134 */
51 	unsigned char res4[0x8];
52 	unsigned int capa;		/* 0x140 */
53 };
54 
55 /*
56  * OMAP HS MMC Bit definitions
57  */
58 #define MMC_SOFTRESET			(0x1 << 1)
59 #define RESETDONE			(0x1 << 0)
60 #define NOOPENDRAIN			(0x0 << 0)
61 #define OPENDRAIN			(0x1 << 0)
62 #define OD				(0x1 << 0)
63 #define INIT_NOINIT			(0x0 << 1)
64 #define INIT_INITSTREAM			(0x1 << 1)
65 #define HR_NOHOSTRESP			(0x0 << 2)
66 #define STR_BLOCK			(0x0 << 3)
67 #define MODE_FUNC			(0x0 << 4)
68 #define DW8_1_4BITMODE			(0x0 << 5)
69 #define MIT_CTO				(0x0 << 6)
70 #define CDP_ACTIVEHIGH			(0x0 << 7)
71 #define WPP_ACTIVEHIGH			(0x0 << 8)
72 #define RESERVED_MASK			(0x3 << 9)
73 #define CTPL_MMC_SD			(0x0 << 11)
74 #define BLEN_512BYTESLEN		(0x200 << 0)
75 #define NBLK_STPCNT			(0x0 << 16)
76 #define DE_DISABLE			(0x0 << 0)
77 #define BCE_DISABLE			(0x0 << 1)
78 #define BCE_ENABLE			(0x1 << 1)
79 #define ACEN_DISABLE			(0x0 << 2)
80 #define DDIR_OFFSET			(4)
81 #define DDIR_MASK			(0x1 << 4)
82 #define DDIR_WRITE			(0x0 << 4)
83 #define DDIR_READ			(0x1 << 4)
84 #define MSBS_SGLEBLK			(0x0 << 5)
85 #define MSBS_MULTIBLK			(0x1 << 5)
86 #define RSP_TYPE_OFFSET			(16)
87 #define RSP_TYPE_MASK			(0x3 << 16)
88 #define RSP_TYPE_NORSP			(0x0 << 16)
89 #define RSP_TYPE_LGHT136		(0x1 << 16)
90 #define RSP_TYPE_LGHT48			(0x2 << 16)
91 #define RSP_TYPE_LGHT48B		(0x3 << 16)
92 #define CCCE_NOCHECK			(0x0 << 19)
93 #define CCCE_CHECK			(0x1 << 19)
94 #define CICE_NOCHECK			(0x0 << 20)
95 #define CICE_CHECK			(0x1 << 20)
96 #define DP_OFFSET			(21)
97 #define DP_MASK				(0x1 << 21)
98 #define DP_NO_DATA			(0x0 << 21)
99 #define DP_DATA				(0x1 << 21)
100 #define CMD_TYPE_NORMAL			(0x0 << 22)
101 #define INDEX_OFFSET			(24)
102 #define INDEX_MASK			(0x3f << 24)
103 #define INDEX(i)			(i << 24)
104 #define DATI_MASK			(0x1 << 1)
105 #define CMDI_MASK			(0x1 << 0)
106 #define DTW_1_BITMODE			(0x0 << 1)
107 #define DTW_4_BITMODE			(0x1 << 1)
108 #define DTW_8_BITMODE                   (0x1 << 5) /* CON[DW8]*/
109 #define SDBP_PWROFF			(0x0 << 8)
110 #define SDBP_PWRON			(0x1 << 8)
111 #define SDVS_1V8			(0x5 << 9)
112 #define SDVS_3V0			(0x6 << 9)
113 #define ICE_MASK			(0x1 << 0)
114 #define ICE_STOP			(0x0 << 0)
115 #define ICS_MASK			(0x1 << 1)
116 #define ICS_NOTREADY			(0x0 << 1)
117 #define ICE_OSCILLATE			(0x1 << 0)
118 #define CEN_MASK			(0x1 << 2)
119 #define CEN_DISABLE			(0x0 << 2)
120 #define CEN_ENABLE			(0x1 << 2)
121 #define CLKD_OFFSET			(6)
122 #define CLKD_MASK			(0x3FF << 6)
123 #define DTO_MASK			(0xF << 16)
124 #define DTO_15THDTO			(0xE << 16)
125 #define SOFTRESETALL			(0x1 << 24)
126 #define CC_MASK				(0x1 << 0)
127 #define TC_MASK				(0x1 << 1)
128 #define BWR_MASK			(0x1 << 4)
129 #define BRR_MASK			(0x1 << 5)
130 #define ERRI_MASK			(0x1 << 15)
131 #define IE_CC				(0x01 << 0)
132 #define IE_TC				(0x01 << 1)
133 #define IE_BWR				(0x01 << 4)
134 #define IE_BRR				(0x01 << 5)
135 #define IE_CTO				(0x01 << 16)
136 #define IE_CCRC				(0x01 << 17)
137 #define IE_CEB				(0x01 << 18)
138 #define IE_CIE				(0x01 << 19)
139 #define IE_DTO				(0x01 << 20)
140 #define IE_DCRC				(0x01 << 21)
141 #define IE_DEB				(0x01 << 22)
142 #define IE_CERR				(0x01 << 28)
143 #define IE_BADA				(0x01 << 29)
144 
145 #define VS30_3V0SUP			(1 << 25)
146 #define VS18_1V8SUP			(1 << 26)
147 
148 /* Driver definitions */
149 #define MMCSD_SECTOR_SIZE		512
150 #define MMC_CARD			0
151 #define SD_CARD				1
152 #define BYTE_MODE			0
153 #define SECTOR_MODE			1
154 #define CLK_INITSEQ			0
155 #define CLK_400KHZ			1
156 #define CLK_MISC			2
157 
158 #define RSP_TYPE_NONE	(RSP_TYPE_NORSP   | CCCE_NOCHECK | CICE_NOCHECK)
159 #define MMC_CMD0	(INDEX(0)  | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
160 
161 /* Clock Configurations and Macros */
162 #define MMC_CLOCK_REFERENCE	96 /* MHz */
163 
164 #define mmc_reg_out(addr, mask, val)\
165 	writel((readl(addr) & (~(mask))) | ((val) & (mask)), (addr))
166 
167 int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
168 		int wp_gpio);
169 
170 
171 #endif /* OMAP_MMC_H_ */
172